README.TXT Driver File Contents (

                     EN2220 Fast EtherCard-32 
              10/100 Fast Ethernet CardBus PC Card 

Thank you for purchasing the Accton EN2220 CardBus PC Card.  Accton has done
everything to ensure that our adapters are compatible with the widest range
of notebook and laptop PCs possible. As a company, we are equally committed
to customer satisfaction and timely response to the needs and concerns of
our customers.

To use the Accton EN2220 Fast Ethernet CardBus PC Card, you must have
a notebook computer equipped with a CardBus controller and the 
CardBus sockets.  Many of the notebook computers on the market today 
have PCMCIA sockets that accept 16-bit PCMCIA cards only.  Even though 
the PCMCIA card sockets and the CardBus sockets look the same on 
the outside,  the Accton EN2220 CardBus Card will not work in those 
notebooks with only the 16-bit PCMCIA card support.

A CardBus socket on a notebook computer can accept either the 32-bit 
CardBus card or the 16-bit PCMCIA card.  However, on some notebooks 
the sockets are configured to work with only one type of cards at a 
time.  If the sockets in your notebook are configured to be in the 
Intel 82365 compatible mode (i.e. 16-bit PCMCIA mode), you should run 
the setup utility that comes with the notebook to change the mode to 
32-bit CardBus mode.


   1) Supported Environments
   2) MS-DOS Card Enabling Utility - CBOPEN.EXE
   3) Machine Compatibility List
   4) Known Limitations
   5) Accton Technical Support

1) Supported Environments

   With this release, the following environments are supported:

   -DOS ODI Driver (ACC2220.COM)
   -DOS NDIS2 Driver (EN2220.DOS)
   -Packet Driver (EN2220PD.COM)
   -Diagnostic and test program (ACCTEST.EXE)
   -NDIS3 Driver for Microsoft Windows NT (Ver. 3.51, 4.0) (ACC2220.SYS)
   -NDIS3 Driver for Windows 95 (ACC2220.SYS)
       Windows 95 versions 950 and 950a do not have plug-and-play support 
       for CardBus cards.  In these systems you have to install EN2220 as a 
       legacy (non-plug-and-play) card.  Starting from Windows 95 version 
       950B (OSR2), plug-and-play for CardBus cards is included.  It is our 
       recommendation to upgrade Windows 95 to a version that has CardBus 
       support to take advantage of the full capabilities of EN2220.

2) MS-DOS Card Enabling Utility - CBOPEN.EXE

   CBOPEN.EXE is the EN2220 enabling program for the MS-DOS operating system.  
   Before you can use any of the DOS mode drivers, such as the Novell 
   DOS ODI driver, the NDIS2 driver, the packet driver, or the ACCTEST.EXE 
   test program, you have to execute CBOPEN.EXE to enable the EN2220 first.

   For example, to execute the EN2220 Diagnostic and Test utility, 
   ACCTEST.EXE, you have to follow this command sequence:


   To execute the EN2220 Novell DOS ODI driver, ACC2220.COM, and to log on
   to a Novell server, you have to follow the next command sequence:


   For further details on how to use CBOPEN.EXE, please consult the 

3) Machine compatibility List

   Currently, we have tested EN2220 on the following machines. 
   Test on other machine models is in progress.


	1. IBM ThinkPad 760 series 
	2. Toshiba Tecra series 
	3. NEC PC9821 Nr15 
	4. DELL Latitude XPi CD 
	5. Digital HiNote VP Series

      Extension boards with the following PCI-to-Cardbus Bridge controllers:

	1. TI PCI-1130, PCI-1131
	2. Ricoh RL5C466, RL5C476
	3. Cirrus PD6832
	4. SMC 34C90
	5. O2Micro OZ6836

4) Known Limitations

     1. For Windows NT version 3.51 and 4.0, and Windows 95 version 950 
        and 950a, since these systems do not have native CardBus Card 
	support, it is up to the user to configure the correct IRQ,
	I/O port values, and interrupt routing style for EN2220.  Please 
        refer to \WINNT\WINNT.TXT and \WIN95\WIN95.TXT for more 
        information on how to assign the correct configurations.

     2. The Windows NT 4.0 driver does not function on the HP OmniBook
        5700CT notebook.

     3. On Digital HiNote VP 575, if EN2220 is in the lower slot, 
        the CBOPEN.EXE has to be executed twice to recognize the card.
	In other words, you have to execute the fillowing command sequence:

	   CBOPEN u


     Accton provides free technical support to registered users
     at one of the following numbers:

     Accton Taiwan
            Phone:  (03) 5770-270   8:00am to 6:00pm
            FAX:    (03) 5770-267
            BBS:    (03) 5770-654   28800-2400 baud

     Accton USA
            Phone:   (408) 452-8900   7:00am to 5:00pm Pacific Time
                     (800) 926-9288
            FAX:     (408) 452-8988
            FastFax: (408) 452-8811
            BBS:     (408) 452-8828   28800-2400 baud

     Internet address:


Thank you for making Accton a part of your network.

Accton acknowledges all tradenames and trademarks used in this document as
the property of their respective owners.
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How To Update Drivers Manually

After your driver has been downloaded, follow these simple steps to install it.

  • Expand the archive file (if the download file is in zip or rar format).

  • If the expanded file has an .exe extension, double click it and follow the installation instructions.

  • Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.

  • Find the device and model you want to update in the device list.

  • Double-click on it to open the Properties dialog box.

  • From the Properties dialog box, select the Driver tab.

  • Click the Update Driver button, then follow the instructions.

Very important: You must reboot your system to ensure that any driver updates have taken effect.

For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.

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